• FARM DUTY / AGRICULTURAL MOTORS • SINGLE PHASE, TEAO, RESILIENT BASE-THRU BOLT MOTORS • Features: • Split phase and PSC, as noted • Ball bearings • Extended thru-bolts on X1903, X1904, P250, and P251 • 48Z frame has 1/2” dia. x 2-1/2” long shaft with two flats • 56Z frame has 1/2” dia. x 1-7/8” long with 1-5/8” flat • 48Y & 48YZ have 48/56 fr. mounting holes • 1.0 service factor (except as noted) • Thermal protection, as noted • Fully gasketed • Model 5KCR49SN0493S